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Industrial Workers of the World
(Encyclopedia)Industrial Workers of the World (IWW), revolutionary industrial union organized in Chicago in 1905 by delegates from the Western Federation of Mines, which formed the nucleus of the IWW, and 42 other ...Michigan, Lake
(Encyclopedia)Michigan, Lake, 22,178 sq mi (57,441 sq km), 307 mi (494 km) long and 30 to 120 mi (48–193 km) wide, bordered by Mich., Ind., Ill., and Wis.; third largest of the Great Lakes and the only one entire...dubnium
(Encyclopedia)dubnium do͞obˈnēəm [key], artificially produced radioactive chemical element; symbol Db; at. no. 105; mass number of most stable isotope 268; m.p., b.p., and sp. gr. unknown; valence +5. Situated ...Tay-Sachs disease
(Encyclopedia)Tay-Sachs disease tāˈ-săksˈ [key], rare hereditary disease caused by a genetic mutation that leaves the body unable to produce an enzyme necessary for fat metabolism in nerve cells, producing cent...Erie Canal
(Encyclopedia)Erie Canal, artificial waterway, c.360 mi (580 km) long; connecting New York City with the Great Lakes via the Hudson River. Locks were built to overcome the 571-ft (174-m) difference between the leve...Hudson, river, United States
(Encyclopedia)Hudson, river, c.315 mi (510 km) long, rising in Lake Tear of the Clouds, on Mt. Marcy in the Adirondack Mts., NE N.Y., and flowing generally S to Upper New York Bay at New York City; the Mohawk River...Iran-contra affair
(Encyclopedia)Iran-contra affair, in U.S. history, secret arrangement in the 1980s to provide funds to the Nicaraguan contra rebels from profits gained by selling arms to Iran. The Iran-contra affair was the produc...Paris, Treaty of
(Encyclopedia)Paris, Treaty of, any of several important treaties, signed at or near Paris, France. For the Treaty of Paris of 1856, see Paris, Congress of. For the Treaty of Paris of 1898, see Spanish-Americ...Bank of Sweden Prize in Economic Sciences in Memory of Alfred Nobel (table)
(Encyclopedia)Bank of Sweden Prize in Economic Sciences in Memory of Alfred Nobel ...Mackinac
(Encyclopedia)Mackinac măkˈĭnôˌ [key], historic region of the Old Northwest (see Northwest Territory), a shortening of Michilimackinac. The name, in the past, was variously applied to different areas: to Macki...Browse by Subject
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